Healthy Sleep Habits for Better Rest
Dr. Donia Abdalnasr
January 5, 20268 min read
1. Get Adequate Sleep
Your immune system needs sleep to function properly. During sleep, your body releases cytokines — proteins that help fight infection and inflammation.
Aim for 7–9 hours of quality sleep per night. Chronic sleep deprivation can suppress immune response and make you more susceptible to illness.
2. Eat More Whole Plant Foods
Fruits, vegetables, nuts, seeds, and legumes are rich in antioxidants and nutrients that support immune health. Foods high in vitamin C (citrus, bell peppers), vitamin E (nuts, seeds), and zinc (legumes, seeds) are especially beneficial.
3. Manage Stress Levels
Long-term stress increases cortisol, which can suppress immune function. Practices like meditation, yoga, deep breathing, and spending time in nature help lower stress hormones.
4. Exercise Regularly
Moderate exercise enhances circulation and immune cell activity. Aim for 150 minutes of moderate aerobic activity or 75 minutes of vigorous activity per week.
5. Stay Hydrated
Proper hydration helps your body eliminate toxins and ensures that your cells function optimally — including immune cells.
6. Limit Added Sugars
Excessive sugar intake can impair white blood cell function for several hours after consumption.
7. Consider Supplements Wisely
Vitamin D, zinc, vitamin C, elderberry, echinacea, and probiotics show promise in supporting immune function — but should complement, not replace, a healthy diet.
8. Maintain Good Hygiene
Regular handwashing, avoiding touching your face, and disinfecting frequently touched surfaces remain important ways to prevent infections.
9. Get Fresh Air & Sunlight
Sunlight exposure helps your body produce vitamin D, while fresh air and nature exposure reduce stress and improve overall well-being.
10. Stay Socially Connected
Positive social interactions and strong relationships are linked to better immune function and overall health.